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  Subjects -> ENGINEERING (Total: 2279 journals)
    - CHEMICAL ENGINEERING (191 journals)
    - CIVIL ENGINEERING (185 journals)
    - ELECTRICAL ENGINEERING (101 journals)
    - ENGINEERING (1203 journals)
    - ENGINEERING MECHANICS AND MATERIALS (390 journals)
    - HYDRAULIC ENGINEERING (55 journals)
    - INDUSTRIAL ENGINEERING (65 journals)
    - MECHANICAL ENGINEERING (89 journals)

ENGINEERING (1203 journals)            First | 1 2 3 4 5 6 7 | Last

Showing 1001 - 1200 of 1205 Journals sorted alphabetically
Production and Operations Management     Hybrid Journal   (Followers: 12)
Production Engineering     Hybrid Journal   (Followers: 5)
Production Planning & Control: The Management of Operations     Hybrid Journal   (Followers: 10)
Progress in Agricultural Engineering Sciences     Full-text available via subscription  
Progress in Computational Fluid Dynamics, An International Journal     Hybrid Journal   (Followers: 7)
Progress in Energy and Combustion Science     Full-text available via subscription   (Followers: 10)
Progress in Nanotechnology and Nanomaterials     Open Access   (Followers: 4)
Progress in Photovoltaics: Research & Applications     Hybrid Journal   (Followers: 6)
Progress in Polymer Science     Full-text available via subscription   (Followers: 32)
Propellants, Explosives, Pyrotechnics     Hybrid Journal   (Followers: 291)
Propulsion and Power Research     Open Access   (Followers: 25)
Puente     Open Access  
Purinergic Signalling     Hybrid Journal   (Followers: 1)
Quaderns d’Història de l’Enginyeria     Open Access  
Quality and Reliability Engineering International     Hybrid Journal   (Followers: 14)
Quality Engineering     Hybrid Journal   (Followers: 9)
Radiochimica Acta     Hybrid Journal   (Followers: 5)
Rapid Prototyping Journal     Hybrid Journal   (Followers: 4)
Rare Metals     Hybrid Journal   (Followers: 1)
Reactive and Functional Polymers     Hybrid Journal   (Followers: 5)
Recent Patents on Engineering     Full-text available via subscription   (Followers: 3)
Recent Patents on Nanotechnology     Full-text available via subscription   (Followers: 3)
Recherche Transports Sécurité     Hybrid Journal   (Followers: 1)
Redes de Ingeniería     Open Access  
Regional Maritime University Journal     Full-text available via subscription   (Followers: 2)
Regular and Chaotic Dynamics     Hybrid Journal  
Rem : Revista Escola de Minas     Open Access   (Followers: 1)
Remote Sensing     Open Access   (Followers: 40)
Remote Sensing Letters     Hybrid Journal   (Followers: 37)
Requirements Engineering     Hybrid Journal   (Followers: 3)
Research Ideas and Outcomes     Open Access  
Research in Engineering Design     Hybrid Journal   (Followers: 11)
Research Journal of Nanoscience and Nanotechnology     Open Access   (Followers: 20)
Research Works of Air Force Institute of Technology     Open Access   (Followers: 1)
Resonance     Hybrid Journal   (Followers: 28)
Reviews in Advanced Sciences and Engineering     Partially Free   (Followers: 2)
Revista AIDIS de Ingeniería y Ciencias Ambientales. Investigación, desarrollo y práctica     Open Access  
Revista Brasileira de Engenharia Agrícola e Ambiental     Open Access   (Followers: 1)
Revista Ciencias e Ingeniería al Día     Open Access  
Revista CINTEX     Open Access   (Followers: 1)
Revista de Engenharia da Universidade Católica de Petrópolis     Open Access  
Revista de Ingeniería     Open Access  
Revista de Ingenieria Sismica     Open Access  
Revista de Investigación, Desarrollo e Innovación     Open Access  
Revista EIA     Open Access   (Followers: 1)
Revista Facultad de Ingeniería     Open Access   (Followers: 1)
Revista Facultad de Ingenieria - Universidad de Tarapaca     Open Access   (Followers: 1)
Revista Facultad de Ingeniería Universidad de Antioquia     Open Access   (Followers: 1)
Revista Fatec Zona Sul : REFAS     Open Access  
Revista Iberoamericana de Automática e Informática Industrial RIAI     Open Access  
Revista Informador Técnico     Open Access   (Followers: 1)
Revista Ingenieria de Construcción     Open Access   (Followers: 1)
Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería     Open Access   (Followers: 1)
Revista Logos Ciencia & Tecnología     Open Access   (Followers: 1)
Revue de Métallurgie     Full-text available via subscription  
Russian Engineering Research     Hybrid Journal  
Russian Journal of Non-Ferrous Metals     Hybrid Journal   (Followers: 22)
Russian Microelectronics     Hybrid Journal   (Followers: 1)
Sadhana     Open Access   (Followers: 8)
Safety Science     Hybrid Journal   (Followers: 30)
Scholedge International Journal of Multidisciplinary & Allied Studies     Open Access   (Followers: 3)
Science & Technique     Open Access  
Science and Education : Scientific Publication of BMSTU     Open Access  
Science and Engineering Ethics     Hybrid Journal   (Followers: 9)
Science and Technology     Open Access   (Followers: 2)
Science China Technological Sciences     Hybrid Journal  
Science Journal of Volgograd State University. Technology and innovations     Open Access  
Science Progress     Full-text available via subscription   (Followers: 2)
Scientia cum Industria     Open Access  
Scientific Drilling     Open Access  
Scientific Journal of Control Engineering     Open Access   (Followers: 1)
Scientific Journal of Pure and Applied Sciences     Open Access   (Followers: 1)
Sealing Technology     Full-text available via subscription   (Followers: 1)
Securitas Vialis     Hybrid Journal  
Security and Communication Networks     Hybrid Journal   (Followers: 3)
Selcuk University Journal of Engineering, Science and Technology     Open Access  
Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of     Hybrid Journal   (Followers: 48)
Semiconductors     Hybrid Journal  
Semiconductors and Semimetals     Full-text available via subscription   (Followers: 1)
Sensing and Imaging : An International Journal     Hybrid Journal   (Followers: 2)
Sensor Letters     Full-text available via subscription   (Followers: 2)
Sensors     Open Access   (Followers: 16)
Separation and Purification Technology     Hybrid Journal   (Followers: 9)
Services Computing, IEEE Transactions on     Hybrid Journal   (Followers: 5)
Shock and Vibration     Hybrid Journal   (Followers: 10)
SIAM Journal on Applied Dynamical Systems     Hybrid Journal   (Followers: 2)
SIAM Journal on Mathematical Analysis     Hybrid Journal   (Followers: 3)
SIAM Journal on Matrix Analysis and Applications     Hybrid Journal   (Followers: 1)
SIAM Journal on Numerical Analysis     Hybrid Journal   (Followers: 4)
SIAM Journal on Optimization     Hybrid Journal   (Followers: 8)
SIAM Review     Hybrid Journal   (Followers: 6)
SILICON     Hybrid Journal  
Sistemas & Telemática     Open Access   (Followers: 2)
Sleep and Biological Rhythms     Hybrid Journal   (Followers: 6)
Small     Hybrid Journal   (Followers: 11)
Smart Grid     Open Access  
Soft Computing     Hybrid Journal   (Followers: 8)
Software Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 62)
Soil Dynamics and Earthquake Engineering     Hybrid Journal   (Followers: 15)
Soldagem & Inspeção     Open Access  
Solid-State Circuits Magazine, IEEE     Hybrid Journal   (Followers: 11)
SourceOCDE Developpement urbain, rural et regional     Full-text available via subscription   (Followers: 1)
SourceOCDE Energie     Full-text available via subscription  
SourceOECD Energy     Full-text available via subscription  
SourceOECD Science and Technology Statistics - SourceOCDE Base de donnees des sciences et de la technologie     Full-text available via subscription  
SourceOECD Transport     Full-text available via subscription   (Followers: 3)
SourceOECD Urban, Rural and Regional Development     Full-text available via subscription   (Followers: 1)
South African Computer Journal     Full-text available via subscription  
South African Journal of Agricultural Extension     Open Access   (Followers: 4)
South African Journal of Science     Open Access   (Followers: 2)
Sports Engineering     Hybrid Journal   (Followers: 2)
Stahlbau     Hybrid Journal   (Followers: 3)
Steel in Translation     Hybrid Journal  
Steel Research International     Hybrid Journal   (Followers: 25)
Stochastic Analysis and Applications     Hybrid Journal   (Followers: 2)
Stochastic Processes and their Applications     Hybrid Journal   (Followers: 5)
Stochastics and Dynamics     Hybrid Journal  
Strain     Hybrid Journal   (Followers: 2)
Strategic Planning for Energy and the Environment     Hybrid Journal   (Followers: 4)
Studies in Engineering and Technology     Open Access  
Studies in Interface Science     Full-text available via subscription   (Followers: 1)
Studies in Logic and Practical Reasoning     Full-text available via subscription  
Studies in Surface Science and Catalysis     Full-text available via subscription   (Followers: 1)
Superconductor Science and Technology     Hybrid Journal   (Followers: 2)
Surface Engineering     Hybrid Journal   (Followers: 3)
Surface Review and Letters     Hybrid Journal  
Surface Science Reports     Full-text available via subscription   (Followers: 13)
Survey Review     Hybrid Journal   (Followers: 6)
Surveying and Land Information Science     Full-text available via subscription   (Followers: 1)
Sustainability Science     Hybrid Journal   (Followers: 8)
Sustainability Science and Engineering     Full-text available via subscription   (Followers: 4)
Sustainable Management of Sediment Resources     Full-text available via subscription  
Swiss Journal of Geosciences     Hybrid Journal   (Followers: 1)
Symmetry     Open Access  
Synthesis Lectures on Algorithms and Software in Engineering     Full-text available via subscription   (Followers: 2)
Synthesis Lectures on Antennas     Full-text available via subscription   (Followers: 6)
Synthesis Lectures on Biomedical Engineering     Full-text available via subscription  
Synthesis Lectures on Computational Electromagnetics     Full-text available via subscription   (Followers: 5)
Synthesis Lectures on Energy and the Environment: Technology, Science, and Society     Full-text available via subscription   (Followers: 2)
Synthesis Lectures on Engineering     Full-text available via subscription  
Synthesis Lectures on Global Engineering     Full-text available via subscription  
Synthesis Lectures on Professionalism and Career Advancement for Scientists and Engineers     Full-text available via subscription   (Followers: 2)
Synthetic Metals     Hybrid Journal   (Followers: 4)
Systems Engineering     Hybrid Journal   (Followers: 6)
Systems Engineering Procedia     Open Access  
Systems Research Forum     Hybrid Journal  
Systems Science & Control Engineering     Open Access   (Followers: 5)
Technological Engineering     Open Access  
Technologies     Open Access   (Followers: 1)
TECHNOLOGY     Hybrid Journal  
Technology and Innovation     Full-text available via subscription   (Followers: 3)
Technology in Society     Hybrid Journal   (Followers: 4)
Technometrics     Full-text available via subscription   (Followers: 6)
Tecnologia, Ciencia, Educacion     Open Access   (Followers: 1)
Tecnura     Open Access  
Telecommunications Policy     Hybrid Journal   (Followers: 31)
Terahertz Science and Technology, IEEE Transactions on     Hybrid Journal   (Followers: 2)
Textile Science and Technology     Full-text available via subscription   (Followers: 3)
The Journal of Supercomputing     Hybrid Journal   (Followers: 1)
The Scientific World Journal     Open Access  
Theoretical and Computational Fluid Dynamics     Hybrid Journal   (Followers: 14)
Theoretical Issues in Ergonomics Science     Hybrid Journal   (Followers: 4)
Thermal Engineering     Hybrid Journal   (Followers: 7)
Tikrit Journal of Engineering Science     Open Access  
tm - Technisches Messen     Hybrid Journal   (Followers: 2)
Topics in Catalysis     Hybrid Journal   (Followers: 1)
Traffic Injury Prevention     Hybrid Journal   (Followers: 63)
TRANSACTIONS of the VŠB - Technical University of Ostrava, Safety Engineering Series     Open Access   (Followers: 1)
Transactions of Tianjin University     Full-text available via subscription  
Transport and Telecommunication Journal     Open Access   (Followers: 4)
Transport World Africa     Full-text available via subscription   (Followers: 3)
Transportation Research Record : Journal of the Transportation Research Board     Full-text available via subscription   (Followers: 34)
Transportmetrica A : Transport Science     Hybrid Journal   (Followers: 5)
Trends in Applied Sciences Research     Open Access   (Followers: 1)
Tribology in Industry     Open Access   (Followers: 1)
Tribology International     Hybrid Journal   (Followers: 43)
Tribology Letters     Hybrid Journal   (Followers: 5)
Tribology Transactions     Hybrid Journal   (Followers: 33)
Ultramicroscopy     Hybrid Journal   (Followers: 2)
Uludağ University Journal of The Faculty of Engineering     Open Access  
Universal Journal of Applied Science     Open Access   (Followers: 2)
Universal Journal of Engineering Science     Open Access   (Followers: 1)
Utilities Policy     Hybrid Journal   (Followers: 2)
Vacuum     Hybrid Journal   (Followers: 12)
Virtual and Physical Prototyping     Hybrid Journal   (Followers: 3)
Visualization in Engineering     Open Access  
Walailak Journal of Science and Technology     Open Access  
Waste and Biomass Valorization     Hybrid Journal   (Followers: 2)
Waste Management Series     Full-text available via subscription   (Followers: 2)
Waves in Random and Complex Media     Hybrid Journal  
Waves, Wavelets and Fractals     Open Access  
Wear     Hybrid Journal   (Followers: 28)
Welding in the World     Hybrid Journal   (Followers: 4)
West African Journal of Industrial and Academic Research     Open Access   (Followers: 1)
Women in Engineering Magazine, IEEE     Full-text available via subscription   (Followers: 12)
World Journal of Engineering     Full-text available via subscription   (Followers: 3)
World Journal of Engineering and Technology     Open Access  
World Journal of Environmental Engineering     Open Access   (Followers: 2)
World Pumps     Full-text available via subscription   (Followers: 2)
World Science and Technology     Full-text available via subscription  

  First | 1 2 3 4 5 6 7 | Last

Journal Cover Journal of Electronic Testing
  [SJR: 0.372]   [H-I: 27]   [2 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1573-0727 - ISSN (Online) 0923-8174
   Published by Springer-Verlag Homepage  [2345 journals]
  • An ATE Filter Characterization ToolKit Using a Discrete Chirped Excitation
           Signal as Stimulus
    • Authors: Peter Sarson
      Pages: 283 - 294
      Abstract: This paper describes how to measure a full suite of RF filter characteristics using reusable code to produce a chirp that sweeps the filters’ frequency range. It shows how to measure 3 dB points, bandwidth and group delay of any filter and how accurately the technique correlates to measurements of the silicon performance made in the lab. The test time saving and stability of results are shown as well as the advantages of the technique with regard to having full characterization data available in a production program. Historically test engineers have been asked to characterize certain parts of the device during debug of initial silicon. This adds time pressure to an already time critical sections of product delivery milestone because device characterization on ATE is never part of the original test quotation. This also adds considerable cost pressure since this takes extra software development and tester time to produce. The proposed method can alleviate a part of this problem.
      PubDate: 2017-06-01
      DOI: 10.1007/s10836-016-5633-x
      Issue No: Vol. 33, No. 3 (2017)
       
  • Using Distortion Shaping Technique to Equalize ADC THD Performance Between
           ATEs
    • Authors: Peter Sarson; Haruo Kobayashi
      Pages: 295 - 303
      Abstract: In this paper, we describe how a phase switching technique is used to control the harmonic contents of a generated sinusoidal signal using digital signal processing techniques. We will describe how this technique equalizes the harmonic performance of arbitrary waveform generators installed in a large scale integration test system, allowing extended performance testing of the total harmonic distortion of an analog-to-digital converter that ordinarily would be possible only using more advanced test equipment. Once a device has been characterized and correlated to the bench, a test engineer is required to release the product into production. One of the major issues surrounding this exercise is the difference in the obtained results between testers of the same manufacture for parameters sensitive to harmonics, noise, and spurious components such as total harmonic distortion. By using the techniques developed in this paper, the user will be able to deploy an academic solution to an industrial problem and extend the range of test equipment that ordinarily would need to be discarded for such test requirements. We will then show the gauge repeatability and reproducibility between two testers of the same manufacture, and how using the described technique produces a better correlation, thus allowing less stringent guard-bands to guarantee the performance of those devices that have performance criteria close to the device specification. This work also goes some way to proving previous papers’ works on distortion shaping testing to enhance the spectral performance of arbitrary waveform generators.
      PubDate: 2017-06-01
      DOI: 10.1007/s10836-016-5630-0
      Issue No: Vol. 33, No. 3 (2017)
       
  • ADC Spectral Testing with Signal Amplitude Drift and Simultaneous
           Non-coherent Sampling
    • Authors: Yuming Zhuang; Degang Chen
      Pages: 305 - 313
      Abstract: Spectral testing is a vital category in modern measurement industry. The challenge is to cost-effectively test the ADCs accurately. Among many test requirements, maintaining input test signal stability and achieving coherent sampling are one of the bottlenecks for accurate testing of the ADC. If these stringent test requirements are not met, accurate spectral test results of the ADC cannot be obtained. This paper presents a method that simultaneously relaxes the requirements of precise control over source amplitude, and of the need for coherent sampling. By dividing the output data into segments, accurate estimation of the drift fundamental in each segment can be obtained, by removing the estimated drift fundamental and replacing with a coherent, non-drift fundamental in time domain, accurate spectral results can be achieved. Extensive simulation results have validated the accuracy and robustness of the proposed method. Furthermore, measurement results have verified the proposed method by accurately obtain spectral results of the ADC under test.
      PubDate: 2017-06-01
      DOI: 10.1007/s10836-017-5642-4
      Issue No: Vol. 33, No. 3 (2017)
       
  • Susceptible Workload Evaluation and Protection using Selective Fault
           Tolerance
    • Authors: Mauricio D. Gutierrez; Vasileios Tenentes; Daniele Rossi; Tom J. Kazmierski
      Abstract: Low power fault tolerance design techniques trade reliability to reduce the area cost and the power overhead of integrated circuits by protecting only a subset of their workload or their most vulnerable parts. However, in the presence of faults not all workloads are equally susceptible to errors. In this paper, we present a low power fault tolerance design technique that selects and protects the most susceptible workload. We propose to rank the workload susceptibility as the likelihood of any error to bypass the logic masking of the circuit and propagate to its outputs. The susceptible workload is protected by a partial Triple Modular Redundancy (TMR) scheme. We evaluate the proposed technique on timing-independent and timing-dependent errors induced by permanent and transient faults. In comparison with unranked selective fault tolerance approach, we demonstrate a) a similar error coverage with a 39.7% average reduction of the area overhead or b) a 86.9% average error coverage improvement for a similar area overhead. For the same area overhead case, we observe an error coverage improvement of 53.1% and 53.5% against permanent stuck-at and transition faults, respectively, and an average error coverage improvement of 151.8% and 89.0% against timing-dependent and timing-independent transient faults, respectively. Compared to TMR, the proposed technique achieves an area and power overhead reduction of 145.8% to 182.0%.
      PubDate: 2017-06-20
      DOI: 10.1007/s10836-017-5668-7
       
  • A New BIST-based Test Approach with the Fault Location Capability for
           Communication Channels in Network-on-Chip
    • Authors: Babak Aghaei; Ahmad Khademzadeh; Midia Reshadi; Kambiz Badie
      Abstract: In this paper, a new BIST based test approach to detecting short faults on the communication channels data links in network-on-chip is proposed. The rationale underlying the novelty of the proposed approach is that it is capable of locating the faulty channels while simultaneously performing the testing as well as updating the Routing Tables (RT) in which irregular Mesh-based and fault tolerant NoCs that are using Table-based routing. The proposed approach encompasses TPG and TRA located in the Network Adapter (NA) as well as a Packet Comparing Module (PCM) embedded in the routers. The approach, in addition, with a high scalability leads to 100% Test Coverage (TC) and 82.3% capability of diagnosing faulty channels in NoCs with a high scale. Furthermore, the approach is capable of being performed within one Round (two phase) run with a total time of 70 clocks which is considered as cost-effective compared with the preceding methods. The simulation results demonstrate that the hardware cost of PCM is trivial compared with the hardware of RASoC, HERMES, Æthereal and Vici routers.
      PubDate: 2017-06-05
      DOI: 10.1007/s10836-017-5666-9
       
  • An Automatic Functional Coverage for Digital Systems Through a Binary
           Particle Swarm Optimization Algorithm with a Reinitialization Mechanism
    • Authors: Alfonso Martínez-Cruz; Ricardo Barrón-Fernández; Herón Molina-Lozano; Marco-Antonio Ramírez-Salinas; Luis-Alfonso Villa-Vargas; Prometeo Cortés-Antonio; Kwang-Ting Cheng
      Abstract: At present, functional verification represents the most expensive part of the digital systems design. Moreover, different problems such as: clock synchronization, code compatibility, simulation automation, new design methodologies, proper use of coverage metrics, among others represent challenges in this area. The automated test vector generation is involved in these problems. In this work, an automated functional test sequences generation for digital systems based on the use of coverage models and a binary Particle Swarm Optimization algorithm with a reinitialization mechanism (BPSOr) is described. Also, a comparison with other meta-heuristic algorithms such as: Genetic algorithms (GA) and pseudo-random generation is presented using different fitness functions, coverage models and devices under verification. The main strategy is based on the combination of the simulation and meta-heuristic algorithms to test the device behavior through the generation of test vector sequences. According to the results, the proposed test generation method represents a good alternative to increase the functional coverage during the automated functional verification of block-level digital systems verification.
      PubDate: 2017-06-03
      DOI: 10.1007/s10836-017-5665-x
       
  • A Near-Threshold Soft Error Resilient 7T SRAM Cell with Low Read Time for
           20 nm FinFET Technology
    • Authors: Rahebeh Niaraki Asli; Shiva Taghipour
      Abstract: Shrinking of technology node in advanced VLSI devices and scaling of supply voltage degrade the performance characteristics and reduce the soft error resilience of modern downscaled digital circuits. In this paper, we propose a reliable near-threshold 7T SRAM cell with single ended read and differential write operations based on a previous proposed 5T cell. Our new cell improves read speed without degrading of write speed compared to the recently reported 7T cell. Furthermore, our proposed cell provides high soft error reliability amongst all the SRAM cells mentioned in this paper. We compared the performance and reliability characteristics of 5T, 6T, 8T and previous 7T cells with our new 7T SRAM cell to show its efficacy. The simulations are performed using HSPICE in 20 nm FinFET technology at VDD = 0.5 V. The results show that the new 7T cell has high write speed, read and write margins with improved read speed and low leakage power in the hold “0” state compared to 5T cell. In addition, the study of performance parameters under process and environmental variations considering ageing effect in near-threshold region shows the robustness of the proposed 7T SRAM cell against these variations.
      PubDate: 2017-05-22
      DOI: 10.1007/s10836-017-5659-8
       
  • Editorial
    • Authors: Vishwani D. Agrawal
      PubDate: 2017-05-06
      DOI: 10.1007/s10836-017-5664-y
       
  • A New Test Point Selection Method for Analog Continuous Parameter Fault
    • Authors: Hui Luo; Wei Lu; Youren Wang; Ling Wang
      Abstract: Discrete hard fault is always tested in existing node selection methods for analog circuit diagnosis. Actually, analog component parameter changes continuously and output node voltages distribute in a continuous voltage interval. In this paper, an novel test node selection method is proposed for continuous parameter shifting (CPS) fault. Firstly, CPS faults are sampled by parameter scan simulation in a single test frequency. Collected node voltages are seen as a data set in a statistical distribution. Secondly, ambiguous faults are identified according to the independent distributions of all CPS faults. The independence of CPS fault sample is deduced by Kruskal-Wallis non-parametric testing. Then, new fault dictionaries are generated for each test node according to ambiguous interval. The proposed fault dictionary represents the mutual independence of each pair of CPS faults. Finally, as fault dictionaries are considered as connected graphs, the optimal test nodes are selected based on an improved depth first search (DFS) algorithm. The effectiveness of method is verified by testing linear and nonlinear circuits.
      PubDate: 2017-05-06
      DOI: 10.1007/s10836-017-5661-1
       
  • New Calibration Technique of Contact-less Resonant Biosensor
    • Authors: Anthony Deluthault; Vincent Kerzérho; Serge Bernard; Fabien Soulier; Philippe Cauvet
      Abstract: This paper addresses the problem of calibrating magnetically-coupled passive sensors for medical applications. We developed an analytical model of such sensor including the impact of some disturbances (distance and angle between antennas). This model is valid for sensors with different dimensions of antennas. Thanks to this model, the ideal indicator of the disturbances for calibration can be identified. It has been applied to the case study of Intra-Ocular Pressure (IOP) sensor. A new indicator (the slope of the baseline of the Bode phase plot) has been chosen.This new indicator is reliable to significant distance and angle variations between primary and secondary.
      PubDate: 2017-05-05
      DOI: 10.1007/s10836-017-5660-2
       
  • Past TTTC Events
    • PubDate: 2017-05-04
      DOI: 10.1007/s10836-017-5662-0
       
  • Guest Editorial: Analog, Mixed-Signal and RF Testing
    • Authors: Manuel J. Barragan; William R. Eisenstadt
      PubDate: 2017-05-02
      DOI: 10.1007/s10836-017-5663-z
       
  • Fault Diagnosis of Smart Grid Distribution System by Using Smart Sensors
           and Symlet Wavelet Function
    • Authors: Mangal Hemant Dhend; Rajan Hari Chile
      Abstract: In today’s era of smart grid system scenario, the fault diagnosis is of utmost important task. Present distribution networks change drastically due to expansion and inclusion of large number of distributed generation units into power system at distribution level. To face the challenges of modernized girds, conventional fault diagnosis methodologies require drastic change by making use of advanced infrastructure and technologies. This will be helpful to achieve automation in fault diagnosis tasks, improved power quality, reliability, resilience and self healing property of the power system. This paper proposes the use of smart sensors and advanced communication technology that will be available in future smart grids to carry out automated fault diagnosis tasks using signal processing techniques. Methods of using Standard deviation features of fault transient signal and a fault location factors are proposed. Performance of various scaling levels, features and components of fault transient current signals extracted using the latest non conventional Symlet mother wavelet function are evaluated and compared. The attempt is made to select optimal features and components of fault transient currents to improve the performance of present limited types of available fault locators. The tests are taken on standard model of smart grid distribution system but can be applied for fault diagnosis of any other power equipment. Results show adequate accuracy to extend the use of proposed method for real time applications.
      PubDate: 2017-04-29
      DOI: 10.1007/s10836-017-5658-9
       
  • A Bridged Contactless Measurement Technique for LC Tank Based
           Voltage-Controlled Oscillator
    • Authors: Zhe Liu; Xiao-Peng Yu; Teng-long Fan; Cheng Cao; Wen-Quan Sui
      Abstract: This paper presents a bridged contactless measurement technique that can measure the resonant frequency and quality factor of a fully-integrated powered off voltage-controlled oscillator (VCO). Unlike the use of the conventional two-coil inductive link, the proposed technique uses an additional inductor to bridge the coupling between the LC tank and the external inductor serving measurement purposes. This makes it possible to examine the on-chip high frequency oscillator with an off-chip inductor at Printed Circuit Board (PCB) level. As an example, a K-band VCO as well as the proposed test structure have been designed and simulated using 0.13 μm CMOS technology. The quality factor and operating frequency of the oscillator are measured using the proposed contactless technique through extraction from the frequency response of a bridged inductive link. The efficiency of the method has been validated by full wave electromagnetic simulation. As a reference, the characterization of the oscillator is also obtained using the Cadence Spectre RF and Mentor Graphic’s Calibre PEX commercial Electronic Design Automation (EDA) software. The results of these two solutions agree considerably well, which supports the feasibility and potentials of using this technique for contactless measurements.
      PubDate: 2017-03-28
      DOI: 10.1007/s10836-017-5657-x
       
  • Editorial
    • Authors: Vishwani D. Agrawal
      PubDate: 2017-03-21
      DOI: 10.1007/s10836-017-5654-0
       
  • VI-Based Measurement System Focusing on Space Applications
    • Authors: L. E. Seixas; S. Finco; S. P. Gimenez
      Abstract: This article describes in detail a custom, high-performance, compact, flexible and reconfigurable test equipment. This measurement system is able to perform, locally or remotely, the electrical characterization of semiconductor devices and integrated circuits (ICs) under ionizing irradiation tests. This measurement platform can be managed remotely through serial, Local Network Area (LAN) link, allowing the electrical characterization of these devices in harsh test environments. Using this customized test measurement system, we were capable to reduce total test time by 1/3 in our TID test application.
      PubDate: 2017-03-07
      DOI: 10.1007/s10836-017-5651-3
       
  • Test Technology Newsletter
    • PubDate: 2017-02-28
      DOI: 10.1007/s10836-017-5653-1
       
  • Multi-Directional Space Tessellation to Improve the Decision Boundary in
           Indirect Mixed-Signal Testing
    • Authors: Álvaro Gómez-Pau; Luz Balado; Joan Figueras
      Abstract: One of the most challenging aspects in nowadays microelectronics industry is production test and verification of mixed-signal circuits. In order to cope with some of the drawbacks encountered in this scenario, researchers have found alternate test as a promising solution in achieving such endeavor. This work prospects the possibilities of using space tessellations along multiple directions in order to improve the test decision boundary definition in the alternate measure space. The proposed method is able to reduce false positive test outcomes, i.e. test escapes, with acceptable penalty in test yield loss metric. The key idea presented in this work is to use an ensemble of octrees, each of them tessellating the plane along different directions. Such tessellations create a refinement in the non linear test decision boundaries without the need of including extra circuit samples. The tree ensemble, together with a strict test decision criterion, serve as a classifier during the production testing phase. The proposed multi-directional ensemble tessellation strategy has been applied to test a band-pass Biquad filter affected by parametric variations. The proposed method has reported promising simulation results in lowering the test escapes metric as compared to a single octree classifier. The computational overhead of evaluating several octrees is insignificant since 2 n -tree data structures are traversed efficiently. The octree ensemble technique has also been compared against a classic specification guard-banding technique reporting better test yield loss metrics for the same test escape target.
      PubDate: 2017-02-20
      DOI: 10.1007/s10836-017-5648-y
       
  • A Passive Authentication System Based on Optical Variable
           Nano/Micro-Structures
    • Authors: Jasbir N. Patel; Hao Jiang; Bozena Kaminska
      Abstract: A new optical authentication and security system using optical variable nano/micro-structures (OVNs) is presented. The proposed design features a passive authentication method using a simple optical system found in common fabrication facilities. The passive authentication is obtained by insertion of an OVN image directly on a processing layer or divided between multiple layers of the fabrication process. Authentic fabrication process is validated when the proper alignment (reconstructed image, for example) at the end of the fabrication is achieved. Simple proof-of-concept devices with the OVN-based authentication system are presented along with the optical images of the resulting authentication patterns.
      PubDate: 2017-02-15
      DOI: 10.1007/s10836-017-5645-1
       
  • Total Ionizing Dose Effect and Single Event Burnout of VDMOS with
           Different Inter Layer Dielectric and Passivation
    • Authors: Jiongjiong Mo; Hua Chen; Liping Wang; Faxin Yu
      Abstract: In this paper, Total Ionizing Dose (TID) and Single Event Burnout (SEB) effects are investigated on self-developed power VDMOS devices with breakdown voltage (BV) of 200 V. Different inter layer dielectrics (ILD) including Borophosphosilicate glass (BPSG) and Si3N4, and different passivation layers including Si3N4 and SiO2 are tested to evaluate their radiation hardness. The TID results indicate that the threshold voltage VTH of VDMOS is negatively shifted after radiation, and can barely be recovered by post TID annealing. As an ILD layer, Si3N4 is proved to be better than BPSG with less VTH shift. Passivation layer can also influence the TID hardness, which increases with the layer thickness. Heavy ion radiation tests indicate that the devices with different ILD and passivation designs can barely influence the SEB effects. All tested devices with normal breakdown voltage of 200 V cannot survive at VDS more than 80 V under heavy ion radiation.
      PubDate: 2017-02-13
      DOI: 10.1007/s10836-017-5647-z
       
 
 
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